APA (7th ed.) Citation

Grahame, K., & Bransom, P. (2009). The Wind in the Willows. Project Gutenberg.

Chicago Style (17th ed.) Citation

Grahame, Kenneth, and Paul Bransom. The Wind in the Willows. Project Gutenberg, 2009.

MLA (9th ed.) Citation

Grahame, Kenneth, and Paul Bransom. The Wind in the Willows. Project Gutenberg, 2009.

Warning: These citations may not always be 100% accurate.